Sort by:
Best Match

Description: Patent for an improved, simple, and efficient well sinking or drilling mechanism, especially meant for bit-securing devices, and the drill bits can be easily removed without removing the well tubing from the hole. The inventor uses "a stem or core carrying the drill bit and adapted to fit snugly in the bore of the tubing, together with a simple combination of devices whereby such stem or core can be locked against longitudinal and rotary movement by the manipulation of an operating rod which extends to the top of the well" (lines 16-22).

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).

Description: Patent for a baling-press for cotton and uses a compression chamber and a head or compressor block to compress the cotton. The invention is more effective and more expeditious than other baling-presses.

Description: Patent for "a pantry and kitchen safe combined and designed to be built apart from the house and constituting a distinct and removable piece of furniture," (lines 11-14) including instructions and illustrations.

Description: Patent for improvements in car-couplings by using a combination of “a rod pivoted at its front end to the side of the draw-head and pivotally connected at its rear end..... when the draw-head is driven to the rear by the force of the blow received in coupling with another draw-head, the lug will be pressed to the front,” (lines 30-40) illustration is included.

Description: Patent for improvements “in facing-slip and label holders to be used by mailing and postal clerks” (lines 13-14) “by providing a convenient and readily-accessible means in applying the facing-slips to packages of mail-matter and to adapt such holders for placement with respect to a case of letter-box as to always have such slips and labels with the receptacle containing the letters to receive a slip corresponding with such mail-matter.” (Lines 16-23) Illustration is included.

Description: Patent for improvements in car-couplings “with means for elevating the coupling-link without the necessity of the brakeman going between the cars, and also to provide means for holding the coupling-pin out of engagement with the link when the cars are uncoupled, said pin being automatically released when the cars come together, so that it will fall by gravity and engage with said link.” (Lines 17-25) Illustration is included.